Name: Chocolate Peanut Butter Squares Recipe
Prep time: 15 min
Cook time: 6 min
Total time: 40 min
Cuisine: American
Ingredients: 22 Oreo cookies (with filling); 3 tablespoons softened butter; 2 tablespoons creamy peanut butter (e.g., Skippy Natural “No Need to Stir”); 1/3 cup (packed) dark brown sugar; 2 cups confectioners’ sugar; 6 tablespoons unsalted butter, softened; 1 1/3 cups creamy peanut butter; 1/8 teaspoon salt; 1 (11.5-ounce) bag milk chocolate chips (preferably Ghirardelli or similar quality); 6 tablespoons heavy cream

Jump to Recipe· 4.2 from 22 reviews

If you have a soft spot for rich, decadent treats, let me introduce you to the magic of the Chocolate Peanut Butter Squares Recipe. This dessert is a luscious blend of creamy peanut butter, smooth chocolate ganache, and a crunchy Oreo cookie crust that delivers a perfect balance between sweet and salty in every bite. Whether you’re bringing a snack to a party or craving a homemade indulgence, these squares have an irresistible flavor and texture combination that’s sure to impress everyone who tries them.

Ingredients You’ll Need

The image shows two parts: on the left, a clear glass bowl with a thick, dark brown chocolate mixture filled with visible crunchy bits. A woman's hand holds a white spatula with a copper handle, stirring the chunky chocolate mixture. On the right, the same dark chocolate mixture is being spread with an offset spatula over a smooth, light brown crumb base inside a white square baking pan lined with parchment. The background has a white marbled texture with a floral cloth edge visible near the baking pan. Photo taken with an iphone --ar 4:5 --v 7

This recipe keeps things delightfully simple with ingredients you probably already love. Each one plays a crucial role—Oreos provide the crunchy base, peanut butter adds rich creaminess, and chocolate ganache ties it all together with smooth decadence.

Oreos (22 cookies): The classic cookie base brings crunch and a hint of chocolate flavor that perfectly complements the peanut butter.
Butter, softened (3 tbsp + 6 tbsp): Adds moisture and richness to both the crust and filling, helping everything hold together beautifully.
Creamy peanut butter (1/3 cup + 1 1/3 cups): Skippy Natural or similar brands with no stirring required offer creamy texture and nutty flavor that makes these squares unforgettable.
Dark brown sugar (1/3 cup, packed): Provides a touch of caramel sweetness and moisture to the peanut butter filling.
Confectioners’ sugar (2 cups): Sweetens and thickens the peanut butter layer for a smooth texture that melts in your mouth.
Salt (1/8 tsp): Enhances the overall flavor, balancing the sweetness perfectly.
Milk chocolate chips (11.5 oz bag): Ghirardelli or other high-quality chips make the ganache especially silky and luxurious.
Heavy cream (6 tbsp): Combines with chocolate to create a glossy, luscious ganache that tops the squares.

How to Make Chocolate Peanut Butter Squares Recipe

Step 1: Prepare the Oven and Pan

Start by preheating your oven to 375°F and positioning a rack in the middle. Line a 9-inch square pan with heavy-duty aluminum foil, leaving an overhang for easy lifting later. Don’t forget to spray the foil lightly with non-stick spray to make removal a breeze.

Step 2: Make the Oreo Crust

Pop those Oreos (filling and all) into a food processor with softened butter and a bit of peanut butter, pulsing until finely crushed. The cookie crumbs should hold together when pressed. Press this mixture into your lined pan evenly—using your hands and the bottom of a measuring cup works wonders! Bake for 6 minutes, then set aside to cool fully. This crust sets the stage with its crunchy texture and chocolate depth.

Step 3: Whip Up the Peanut Butter Filling

While your crust cools, mix together the peanut butter filling ingredients—more peanut butter, brown sugar, confectioners’ sugar, butter, and a pinch of salt—in a stand mixer. Use the paddle attachment at medium-low speed until everything’s well combined but not whipped. Chill this bowl in the fridge to let it firm up as you prepare the next step.

Step 4: Create the Chocolate Ganache

For the sensational chocolate topping, combine your milk chocolate chips and heavy cream in a microwave-safe bowl. Heat them gently in bursts at 50% power, stirring often to get a smooth, glossy ganache without overheating. This shiny chocolate layer adds richness and visual appeal to these Chocolate Peanut Butter Squares Recipe bars.

Step 5: Assemble the Layers

Drizzle about one-third of the ganache over the cooled crust and spread it out with an offset spatula. Don’t stress about perfection—rustic is charming here! Pop the pan in the freezer for 10 minutes to set. Next, dollop and press the peanut butter filling over the hardened chocolate layer, dusting your hands with confectioners’ sugar if it feels sticky. Warm the remaining ganache briefly and pour it on top, smoothing it to the edges. Chill the whole pan in the freezer for an hour or refrigerator for a few hours until firm.

Step 6: Cut and Enjoy

Use the foil overhang to lift your chilled squares onto a cutting board. With a sharp knife, cut into small squares because these bars pack a serious flavor punch. Store them in the refrigerator and always serve chilled for the perfect texture and taste. You’re about to experience dessert bliss!

How to Serve Chocolate Peanut Butter Squares Recipe

The image shows a square dessert bar on a white marbled surface. The bar has two layers: a thick bottom layer of light beige, crumbly, peanut butter-like texture, and a smooth dark brown chocolate layer on top with a few gentle waves. In front of the bar is a small piece broken off, displaying the same two layers with the crumbly texture clearly visible. Some small crumbs surround the pieces. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

For an extra special touch, sprinkle crushed peanuts or a pinch of sea salt on top of the ganache before it sets. This adds a satisfying crunch and enhances the nutty, salty-sweet contrast that makes these bars so irresistible.

Side Dishes

These Chocolate Peanut Butter Squares make a fantastic partner alongside a glass of cold milk, a scoop of vanilla ice cream, or even a cup of bold coffee. The creaminess of those sides balances the richness of the bars perfectly.

Creative Ways to Present

Consider layering the squares in a pretty dessert tray lined with parchment paper or stacking them in a mason jar with colorful ribbons for gifting. Serving them with fresh berries on the side also adds a refreshing pop of color and brightness to your presentation.

Make Ahead and Storage

Storing Leftovers

These squares keep beautifully in the refrigerator for up to four days. Make sure to store them in an airtight container to preserve their freshness and prevent the ganache from drying out. Chilled, they maintain their perfect texture and flavor.

Freezing

If you want to enjoy these treats a little later, wrap individual squares tightly in plastic wrap and place them in a freezer-safe container. Freeze them for up to three months. Thaw in the fridge overnight before serving for best results.

Reheating

Since these squares are best served chilled, reheating is not recommended. However, you can let them sit at room temperature for 10-15 minutes to soften slightly if they’ve been in the fridge too long before indulging.

FAQs

Can I use crunchy peanut butter instead of creamy?

Yes! Crunchy peanut butter will add a bit more texture to the filling, which can be a nice variation if you enjoy a little extra crunch alongside the smooth chocolate.

Is it necessary to bake the Oreo crust?

Baking the crust helps it set firmly and intensifies the flavor. While you can skip this step, the crust may be softer and less cohesive if you do not bake it.

Can I substitute dark chocolate for milk chocolate in the ganache?

Absolutely! Using dark chocolate will give you a richer, slightly less sweet ganache. It’s a great option if you prefer a more intense chocolate flavor.

How can I make these squares vegan?

To make vegan-friendly squares, use dairy-free butter, vegan peanut butter, and dairy-free chocolate chips. Just make sure all other ingredients fit your dietary preferences.

What’s the best way to cut the squares cleanly?

Chill the bars thoroughly and use a sharp knife. Wiping the knife clean between cuts will ensure neat edges without crumbly sides.

Final Thoughts

This Chocolate Peanut Butter Squares Recipe is one of those homemade treats that feels like a celebration in every bite. Its balance of textures and flavors makes it a standout dessert to share or savor solo. I wholeheartedly encourage you to try it soon—it’s a guaranteed crowd-pleaser with a comforting, nostalgic feel that never goes out of style.